Precalculus Examples

$2 \ln (e^{5})$

Step 1

Expand $\ln (e^{5})$ by moving $5$ outside the logarithm.

$2 (5 \ln (e))$

Step 2

The natural logarithm of $e$ is $1$ .

$2 (5 \cdot 1)$

Step 3

Multiply $2 (5 \cdot 1)$ .

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Step 3.1

Multiply $5$ by $1$ .

$2 \cdot 5$

Step 3.2

Multiply $2$ by $5$ .

$10$